Flight Endurance & Fuel Planner Analyzing Fuel Consumption by Flight Phase Aircraft & Fuel Load Aircraft Type (Load Presets) Custom Parameters Boeing 737-800 Airbus A320neo Boeing 787-9 Initial Fuel (kg)

Orbital Period Calculator Applying Kepler's Third Law of Planetary Motion Calculation Inputs Select a Celestial Body Custom Parameters Earth Moon Mars Jupiter Sun Mass of Body (M) kg Semi-Major Axis

Specific Orbital Energy Calculator Based on the Vis-viva Equation Calculation Inputs Select a Celestial Body Custom Parameters Earth Moon Mars Jupiter Sun Mass of Body (M) kg Semi-Major Axis (a)

Orbital Velocity Calculator For a Stable Circular Orbit Calculation Inputs Select a Celestial Body Custom Parameters Earth Moon Mars Jupiter Sun Mass of Body (M) kg Radius of Body (R)